How to open a file with .WSP extension?

"You'll need a new app to open this file" is probably the most common error faced by millions of Windows users every day. This is either because the program required to open a file is not available on your system or there may be other issues.

What is .WSP file extension?

Package used by SharePoint, an enterprise-level document and content management system; saves a Windows SharePoint Services solution, which is a custom component, such as a website, that can be added to a company's SharePoint site.
WSP files are compressed in a .CAB format and can be created using the Makecab.exe program. The archive can include various site resources and source code files. The WSP file can be added to a SharePoint configuration database using the stsadm -o addsolution file.wsp command. It can be deployed to SharePoint servers using the stsadm -o deploysolution file.wsp command.
WSP files can be developed using Microsoft Visual Studio with the with the "Visual Studio extensions for Windows SharePoint Services" plug-in.
You can see a list of software programs here on easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.